Deconvolution-Based CT and MR Brain Perfusion Measurement: Theoretical Model Revisited and Practical Implementation Details

Figure 4

Examples of the distribution function ℎ(𝑡) of transit times (the mean transit time is 4 s) and the corresponding residue function 𝑟(𝑡).

(a) Distribution ℎ(𝑡) of transit times

(b) Residue function 𝑟(𝑡)